<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script>
        //前端不支持大数字，一旦数字过大，就会造成精度损失

        alert(16206112878536661111)
        alert("16206112878536661111")
    </script>
</head>

<body>

</body>
</html>